/* Brand, actions and sources. Technical diagram and print sizing remain untouched. */
.ui-icon{width:22px;height:22px;flex:0 0 22px;vertical-align:middle}
.site-header{background:#edf2ec;border-bottom:1px solid #d5dfd5;padding:13px 24px}
.header-inner{max-width:1200px;display:flex;flex-wrap:nowrap;gap:30px;align-items:center}
.brand-search{display:flex;align-items:center;flex:1;min-width:0;gap:24px}
.brand{flex-shrink:0;gap:11px;letter-spacing:-1px}.brand-symbol{width:48px;height:48px;background:#203d36;color:#fff!important;border-radius:14px 14px 5px 5px;display:grid;place-items:center}.brand-symbol .ui-icon{width:34px;height:34px}
.wordmark{font-size:28px;font-weight:750;line-height:1}.brand small{font-size:14px;font-weight:600;letter-spacing:.03em;margin-top:5px}
.site-header .search{flex:1;min-width:0;max-width:none;margin:0}.site-header .search input{background:transparent;border:0;border-bottom:1px solid #8d9f91;border-radius:0;min-height:48px;padding-left:36px;padding-right:5px;color:#203d36}.site-header .search-icon{left:3px;top:14px}.site-header .search input:focus{background:#ffffff80;border-color:#203d36}
.primary-nav{margin:0;flex-wrap:nowrap;gap:20px}.primary-nav a{display:flex;align-items:center;min-height:44px;font-size:16px}.search-panel{box-shadow:0 12px 30px #203d3620}
.benefit-strip{background:#f7f8f3;gap:30px;padding:6px 20px;font-size:14px;border-bottom:1px solid #e3e7df}.benefit-strip span{display:inline-flex;gap:7px;align-items:center}.benefit-strip .ui-icon{width:16px;height:16px;flex-basis:16px;color:#55705f}.benefit-strip span+span:before{content:none}
.welcome{gap:54px;padding:56px 0 64px;grid-template-columns:1.05fr 1fr}.welcome-eyebrow{color:#76604b;font-size:14px;font-weight:650;letter-spacing:.08em;text-transform:uppercase;margin:0 0 18px}.welcome h1{font-size:clamp(34px,3.7vw,48px);font-weight:650;line-height:1.13;letter-spacing:-.045em;margin-bottom:20px}.welcome h1 em{font-style:normal;color:#627b66;font-weight:500}.welcome .lead{font-size:19px;line-height:1.6;max-width:480px;margin:0 0 24px}.welcome .hero-search{margin:0}.welcome .hero-search label{font-size:16px;font-weight:600;margin-bottom:7px}.welcome .hero-search input{font-size:16px;min-height:52px;height:52px;border:1px solid #b9c6b9;border-radius:9px;background:#fff;box-shadow:0 4px 12px #203d3605}.welcome .hero-search .search-icon{top:15px}.welcome-actions{margin-top:14px;gap:12px}.welcome-actions .button{border:0;background:transparent;text-decoration:underline;text-underline-offset:5px;padding-inline:8px}.welcome-actions button{font-weight:600;padding:10px 16px}
.welcome-visual{position:relative;padding:16px;background:#e5ece0;border-radius:32px 12px 32px 12px;transform:rotate(1deg)}.welcome-visual img{border-radius:22px 7px 22px 7px}.welcome-visual figcaption{display:flex;gap:12px;align-items:center;margin:15px 4px 3px;font-size:16px;font-weight:600;color:#203d36;transform:rotate(-1deg)}.welcome-visual figcaption>span{padding:10px;border-radius:50%;background:#f9faf5}.welcome-visual small{display:block;font-size:14px;font-weight:400;margin-top:3px;color:#4c6454}
.guide-kicker{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin:0 0 18px}.guide-badge{display:inline-flex;gap:7px;align-items:center;background:#e5eddf;color:#294b36;padding:7px 12px;border-radius:8px 8px 8px 1px;font-size:14px;font-weight:650;line-height:1.5}.guide-badge .ui-icon{width:18px;height:18px;flex-basis:18px}.guide-badge.safety{color:#73502b;background:#f3eadb}.view-count{font-size:14px;color:#53645b}
.actions[aria-label="Guide actions"]{display:flex;gap:8px;padding:8px;background:#edf1e9;border-radius:12px;width:fit-content;max-width:100%}.actions[aria-label="Guide actions"] button{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 14px;min-height:46px;background:white;border:1px solid #d7dfd4;border-radius:8px;font-size:16px;font-weight:600;box-shadow:0 1px 2px #203d3608}.actions[aria-label="Guide actions"] button:hover{background:#203d36;border-color:#203d36;color:white}.actions button:focus-visible{outline:3px solid #9d5c38;outline-offset:3px}
#action-status:empty{min-height:0;margin:8px 0}.guide-sources{border:1px solid #d4ddd1;background:#fff;border-radius:12px;margin:36px 0 16px;overflow:hidden}.guide-sources summary{display:flex;gap:10px;align-items:center;min-height:56px;padding:16px 20px;cursor:pointer;font-size:18px;font-weight:650;list-style:none;color:#203d36}.guide-sources summary::-webkit-details-marker{display:none}.guide-sources summary:after{content:'+';font-size:24px;font-weight:400;margin-left:auto}.guide-sources[open] summary:after{content:'−'}.source-count{font-size:14px;color:#64745f;background:#edf2e9;border-radius:30px;padding:2px 9px}.guide-sources summary:hover{background:#f3f6ef}.sources-content{padding:0 22px 22px}.sources-content p,.sources-content li{font-size:16px;line-height:1.6}.sources-content li{padding:10px 0;overflow-wrap:anywhere}.source-domain{display:block;font-size:14px;color:#63745f;margin-top:4px}.sources-content ol{margin-bottom:0;padding-left:22px}.source-mention{color:inherit}
@media(max-width:1000px){.header-inner{gap:18px}.brand-search{gap:18px}.primary-nav{gap:14px}.site-header .search{flex-basis:auto}.welcome{gap:30px}.welcome h1{font-size:38px}}
@media(max-width:740px){.site-header{position:relative;padding:12px 16px}.header-inner{flex-wrap:wrap;gap:10px}.brand-search{display:grid;grid-template-columns:1fr;gap:12px;flex-basis:calc(100% - 90px)}.brand{font-size:24px}.brand-symbol{width:40px;height:40px;border-radius:11px 11px 4px 4px}.brand-symbol .ui-icon{width:29px;height:29px}.wordmark{font-size:24px}.site-header .search{grid-column:1 / -1;width:calc(100% + 90px);order:0}.site-header .search input{font-size:16px;min-height:44px}.menu-toggle{align-self:flex-start;margin:0 0 0 auto;padding:7px 11px;background:#f9fbf6;border-color:#b7c6b6}.primary-nav{order:3;flex-direction:column;width:100%;gap:0}.primary-nav a{padding:8px}.benefit-strip{gap:5px 14px;justify-content:flex-start;padding:7px 16px}.benefit-strip span{gap:5px}.welcome{grid-template-columns:1fr;gap:30px;padding:30px 0 38px}.welcome h1{font-size:36px;max-width:520px}.welcome .lead{font-size:18px}.welcome-visual{max-width:560px;transform:none;border-radius:24px 10px;padding:12px}.welcome-visual figcaption{transform:none}.guide-kicker{margin-bottom:16px}.guide-sources summary{padding:14px;font-size:16px}.sources-content{padding-inline:16px}}
@media(max-width:400px){.welcome h1{font-size:32px}.welcome-eyebrow{letter-spacing:.025em}.actions[aria-label="Guide actions"]{width:100%;padding:6px;gap:6px}.actions[aria-label="Guide actions"] button{flex:1;flex-direction:column;font-size:14px;gap:5px;padding:9px 7px}.welcome-actions{gap:6px}.welcome-actions button,.welcome-actions .button{font-size:16px}.welcome-visual figcaption{align-items:flex-start}.benefit-strip{column-gap:12px}}
@media print{.guide-kicker{display:none!important}.guide-sources{border:0;margin-top:24px;break-inside:auto}.guide-sources summary{padding:0;font-size:18px}.guide-sources summary:after,.guide-sources .source-count,.guide-sources summary .ui-icon{display:none}.guide-sources::details-content{display:block;content-visibility:visible}.guide-sources>.sources-content{display:block!important;padding:0}.sources-content li{break-inside:avoid;font-size:14px}.source-domain{font-size:14px}.welcome-visual{transform:none;padding:0;background:none}.welcome-visual figcaption{transform:none}}
@media screen and (max-width:740px){.header-inner{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px}.brand-search{display:contents}.site-header .brand{grid-column:1;grid-row:1}.menu-toggle{grid-column:2;grid-row:1}.site-header .search{grid-column:1 / -1;grid-row:2;width:100%;min-width:0}.primary-nav{grid-column:1 / -1;grid-row:3}.brand small{letter-spacing:0}}
.actions[aria-label="Guide actions"]{align-items:stretch}
@media(max-width:400px){.actions[aria-label="Guide actions"]{gap:5px;padding:5px}.actions[aria-label="Guide actions"] button{padding:9px 4px}.actions[aria-label="Guide actions"] button span{white-space:nowrap}}
/* Approved book/garage mark B and explicit rounded search forms. */
.brand .brand-book{width:48px;height:48px;flex:0 0 48px}.brand .wordmark{font-size:24px;letter-spacing:-.7px;white-space:nowrap}.brand .wordmark small{font-size:16px;letter-spacing:.12em;font-weight:750;margin-top:6px}
.brand-search{gap:22px}.header-inner{gap:24px}.site-header .search{min-width:230px}
.search-field{display:flex;align-items:center;border:1px solid #9eafa0;background:#fff;border-radius:15px;padding:4px;gap:4px;box-shadow:0 2px 8px #203d3605}.search-field:focus-within{outline:3px solid #9d5c38;outline-offset:3px;border-color:#203d36}.search-input-wrap{position:relative;flex:1;min-width:0}
.site-header .search input,.welcome .hero-search input{width:100%;height:46px;min-height:46px;border:0;border-radius:10px;box-shadow:none;background:transparent;padding:10px 12px;font-size:17px;color:#203d36;outline:none}.site-header .search input:focus{background:transparent}.search input.has-visual-hint::placeholder{color:transparent}
.search-hint{position:absolute;pointer-events:none;left:12px;right:8px;top:50%;transform:translateY(-50%);color:#657769;font-size:17px;line-height:1.5;white-space:nowrap;overflow:hidden;text-overflow:clip}.search-hint:not(:empty):after{content:'';display:inline-block;height:1em;border-right:1px solid currentColor;margin-left:2px;vertical-align:-.12em}.search-submit{display:inline-flex;align-items:center;justify-content:center;gap:7px;flex-shrink:0;min-height:46px;min-width:100px;padding:10px 12px;border:0;border-radius:11px;background:#203d36;color:#fff;font-size:16px;font-weight:650}.search-submit svg{width:21px;height:21px;flex:0 0 21px}.search-submit:hover{background:#345a4c}.search-submit:focus-visible{outline:3px solid #9d5c38;outline-offset:3px}
.welcome .hero-search .search-field{border-radius:18px;padding:5px}.welcome .hero-search input{font-size:20px;min-height:58px;height:58px;padding:12px}.hero-search .search-hint{font-size:20px}.hero-search .search-submit{font-size:18px;min-height:56px;padding:12px 17px;border-radius:13px}.hero-search .search-submit svg{width:25px;height:25px;flex-basis:25px}
@media(max-width:1050px) and (min-width:741px){.header-inner{flex-wrap:wrap;gap:10px}.brand-search{flex-basis:100%}.primary-nav{margin-left:auto}.site-header .search{max-width:540px}.brand .wordmark{font-size:23px}}
@media(max-width:740px){.site-header .search{min-width:0}.brand .brand-book{width:40px;height:40px;flex-basis:40px}.brand .wordmark{font-size:21px}.brand .wordmark small{font-size:14px;margin-top:5px}.brand{gap:8px}.search-submit{min-width:95px}.site-header .search input,.search-hint{font-size:17px}.welcome .hero-search input,.hero-search .search-hint{font-size:20px}}
@media(max-width:360px){.brand .wordmark{font-size:19px}.brand .brand-book{width:36px;height:36px;flex-basis:36px}.hero-search .search-submit{padding:12px 10px;min-width:94px;gap:5px}.hero-search .search-submit svg{width:23px;height:23px;flex-basis:23px}}
@media(prefers-reduced-motion:reduce){.search-hint:after{display:none}}
.search-hint{text-overflow:ellipsis}
@media(max-width:400px){.welcome .hero-search .search-field{flex-wrap:wrap}.welcome .hero-search .search-input-wrap{flex-basis:100%}.hero-search .search-submit{width:100%;min-height:48px}.welcome .hero-search input{height:52px;min-height:52px}}
/* Phrase-first search and genuine server-backed article/card metrics. */
.brand .wordmark{font-size:24px;line-height:1.15;white-space:normal;max-width:155px}.brand .brand-book{width:46px;height:46px;flex-basis:46px}
.search-prefix{font-size:17px;font-weight:800;color:#203d36;letter-spacing:.04em;white-space:nowrap;padding-left:12px;flex-shrink:0}.hero-search .search-prefix{font-size:20px;padding-left:14px}.search-hint{white-space:normal;line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.search-hint[hidden]{display:none}.site-header .search input{min-height:66px;height:66px}.welcome .hero-search input{height:84px;min-height:84px}.hero-search .search-submit{align-self:stretch}.site-header .search-submit{min-height:54px}
.metric-icon{width:20px;height:20px;flex:0 0 20px;vertical-align:middle}.guide-stats{display:flex;align-items:center;flex-wrap:wrap;gap:12px}.stat-item,.like-guide,.card-stats>span{display:inline-flex;align-items:center;gap:6px}.guide-stats .view-count{font-size:16px;color:#385247}.like-guide{min-height:44px;border:1px solid #aebdaf;border-radius:25px;background:#fff;color:#203d36;padding:8px 13px;font-size:16px;gap:7px}.like-guide[aria-pressed=true]{background:#e9eee5;border-color:#5b7660}.like-guide[aria-pressed=true] .metric-icon{fill:#9d5c38;stroke:#9d5c38}.like-guide:disabled{opacity:.65;cursor:default}.like-guide:hover:not(:disabled){background:#f0e6df}.like-guide:focus-visible{outline:3px solid #9d5c38;outline-offset:3px}.like-status{font-size:14px;flex-basis:100%;line-height:1.5}.like-status:empty{display:none}.card-stats{display:flex;flex-wrap:wrap;gap:8px 16px;font-size:14px;line-height:1.5;color:#50685b;margin:0 20px 18px;padding-top:12px;border-top:1px solid #dde5db}.card-stats .metric-icon{width:17px;height:17px;flex-basis:17px}.related-card{flex-wrap:wrap}.related-card .card-stats{flex-basis:100%;margin:0;padding-top:10px}
@media(max-width:740px){.brand .wordmark{font-size:23px;max-width:none}.brand .brand-book{width:40px;height:40px;flex-basis:40px}.search-field{flex-wrap:wrap}.search-prefix{width:100%;font-size:14px;padding:4px 12px 0}.search-input-wrap{flex-basis:calc(100% - 110px)}.site-header .search input{height:64px;min-height:64px}.hero-search .search-prefix{font-size:16px;padding-top:6px}.welcome .hero-search .search-input-wrap{flex-basis:100%}.hero-search .search-submit{width:100%;min-height:48px}.welcome .hero-search input{height:74px;min-height:74px}}
@media(max-width:360px){.brand .wordmark{font-size:21px;max-width:130px}.brand .brand-book{width:36px;height:36px;flex-basis:36px}.guide-stats{gap:8px}.card-stats{margin-inline:16px}}
@media print{.guide-stats,.card-stats{display:none!important}}

/* Compact single-row header, isolated from hero/forms/article/print styles. */
@media screen {
 :root{--header-height:65px}
 .site-header{position:sticky;top:0;padding:7px 20px;z-index:30}
 .site-header .header-inner{position:relative;display:flex;flex-wrap:nowrap;gap:20px;align-items:center;min-height:50px}
 .site-header .brand-search{display:flex;flex-direction:row;flex-wrap:nowrap;flex:1 1 auto;min-width:0;gap:16px}
 .site-header .brand{display:flex;align-items:center;min-width:44px;min-height:44px;gap:8px}
 .site-header .brand-book{width:38px;height:38px;flex-basis:38px}
 .site-header .wordmark{font-size:21px;line-height:1.1;white-space:nowrap;max-width:none}
 .site-header .search{order:0;flex:1 1 0;min-width:0;width:auto;max-width:none;position:static}
 .site-header .search-field{flex-wrap:nowrap;padding:2px;gap:2px;border-radius:13px;min-width:0;height:50px}
 .site-header .search-prefix{width:auto;font-size:14px;line-height:20px;padding:0 0 0 8px;letter-spacing:0;flex:0 0 auto}
 .site-header .search-input-wrap{flex:1 1 0;min-width:0}
 .site-header .search input{font-size:17px;line-height:24px;height:44px;min-height:44px;padding:10px 8px}
 .site-header .search-hint{font-size:17px;line-height:24px;left:8px;right:5px;display:block;white-space:nowrap;text-overflow:ellipsis}
 .site-header .search-hint[hidden]{display:none}
 .site-header .search-submit{height:44px;min-height:44px;min-width:94px;padding:8px 11px;font-size:16px}
 .site-header .primary-nav{order:0;width:auto;flex-direction:row;align-items:center;gap:18px;border:0;padding:0;margin:0;overflow:visible}
 .site-header .primary-nav a{font-size:16px;padding:0;white-space:nowrap;min-height:44px}
 .site-header .search-panel{left:0;right:0;top:calc(100% + 8px);width:auto;max-height:calc(100dvh - 85px);overflow-y:auto}
 .site-header .menu-toggle{align-self:center;flex:0 0 48px;width:48px;min-width:44px;height:44px;min-height:44px;font-size:14px;padding:0;margin:0;border:1px solid #aebdaf;border-radius:10px;line-height:1}
 .site-header [hidden]{display:none!important}
 html{scroll-padding-top:80px}
 :target{scroll-margin-top:80px}
}
@media screen and (max-width:1050px){
 .site-header .header-inner{gap:10px}
 .site-header .primary-nav{position:absolute;top:calc(100% + 8px);right:0;min-width:210px;max-width:100%;display:flex;flex-direction:column;align-items:stretch;gap:0;padding:8px 12px;background:#fff;border:1px solid #d5dfd5;border-radius:12px;box-shadow:0 10px 28px #203d3622}
 .site-header .primary-nav a{padding:8px;min-height:44px}
}
@media screen and (max-width:600px){
 :root{--header-height:61px}
 .site-header{padding:5px 8px}
 .site-header .header-inner,.site-header .brand-search{gap:6px}
 .site-header .brand{width:44px;flex:0 0 44px;justify-content:center}
 .site-header .wordmark{display:none}
 .site-header .brand-book{width:36px;height:36px;flex-basis:36px}
 .site-header .menu-toggle{flex-basis:44px;width:44px}
 .site-header .search-submit{width:44px;min-width:44px;padding:0}
 .site-header .search-submit span{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
 .site-header .search-prefix{padding-left:5px}
 .site-header .search input,.site-header .search-hint{font-size:16px}
 .site-header .search input{padding-inline:5px}
 .site-header .search-hint{left:5px}
}

@media screen and (max-width:1050px){.site-header .primary-nav .benefit-strip{display:flex;flex-direction:column;align-items:flex-start;gap:7px;margin-top:8px;padding:12px 8px 4px;border:0;border-top:1px solid #e3e7df;background:transparent;font-size:14px}.site-header .primary-nav .benefit-strip span{white-space:nowrap}}

/* Hero34: external phrase prefix and a restrained main search tool. */
@media screen{
 .welcome .hero-search{max-width:480px;width:100%;position:relative}
 .welcome .hero-search-row{display:flex;flex-wrap:nowrap;align-items:center;gap:12px;width:100%;min-width:0}
 .welcome .hero-search .hero-prefix{width:auto;flex:0 0 auto;padding:0;font-size:20px;line-height:1.2;letter-spacing:0;white-space:nowrap}
 .welcome .hero-search .search-field{flex:1 1 0;min-width:0;display:flex;flex-wrap:nowrap;align-items:center;gap:3px;border-radius:14px;padding:4px}
 .welcome .hero-search .search-input-wrap{flex:1 1 0;min-width:0}
 .welcome .hero-search input{min-height:54px;height:54px;font-size:19px;padding:10px 8px}
 .welcome .hero-search .search-hint{font-size:19px;line-height:24px;display:block;white-space:nowrap;left:8px;right:4px;text-overflow:ellipsis}
 .welcome .hero-search .search-hint[hidden]{display:none}
 .welcome .hero-search .search-submit{width:auto;min-width:100px;min-height:50px;padding:10px 12px;font-size:16px;gap:6px;border-radius:10px}
 .welcome .hero-search .search-submit svg{width:21px;height:21px;flex-basis:21px}
 .welcome .hero-search .search-panel{left:0;right:0;width:100%;max-height:60dvh;overflow:auto}
}
@media screen and (max-width:600px){
 body>.benefit-strip{display:flex;flex-wrap:nowrap;justify-content:center;gap:12px;padding:5px 8px;font-size:14px;line-height:20px;min-height:31px;white-space:nowrap}
 body>.benefit-strip span{gap:4px;font-size:14px;line-height:20px;white-space:nowrap}
 body>.benefit-strip .ui-icon{width:12px;height:12px;flex-basis:12px}
 .welcome .hero-search-row{gap:8px}
 .welcome .hero-search .hero-prefix{font-size:16px}
 .welcome .hero-search input,.welcome .hero-search .search-hint{font-size:18px}
 .welcome .hero-search input{padding-inline:6px;min-height:50px;height:50px}
 .welcome .hero-search .search-hint{left:6px}
 .welcome .hero-search .search-submit{min-width:85px;min-height:46px;padding:8px;gap:4px}
 .welcome .hero-search .search-submit svg{width:18px;height:18px;flex-basis:18px}
}

/* Article-card metadata stays readable over every cover. */
@media screen {
.card-media{position:relative;isolation:isolate;overflow:hidden;aspect-ratio:16/9;background:var(--soft)}
.guide-card .card-media>img{width:100%;height:100%;object-fit:cover;display:block}
.card-media .card-badge{position:absolute;z-index:1;top:10px;left:10px;max-width:calc(50% - 16px);padding:5px 8px;background:#203D36;color:#fff;border-radius:6px;font-size:14px;line-height:1.4;font-weight:650;box-shadow:0 1px 5px #0002}
.card-media .card-stats{position:absolute;z-index:1;top:10px;right:10px;margin:0;display:flex;flex-direction:column;gap:2px;padding:5px 8px;border-radius:6px;background:#fff;color:#203D36;font-size:14px;line-height:1.4;box-shadow:0 1px 5px #0002;max-width:calc(50% - 16px)}
.card-media .card-stats>[data-stat-field]{display:flex;align-items:center;gap:4px;white-space:nowrap}
.card-media .metric-icon{width:16px;height:16px;flex-shrink:0}
.guide-card:focus-visible{outline:3px solid var(--copper);outline-offset:4px}
}
@media print{.card-badge,.card-stats{display:none!important}}